hfs.h@ 53399

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1	/** @file
2	* IPRT - Hierarchical File System (HFS).
3	*/
4
5	/*
6	* Copyright (C) 2009-2013 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*/
25
26	#ifndef ___iprt_formats_hfs_h
27	#define ___iprt_formats_hfs_h
28
29
30	#include <iprt/types.h>
31	#include <iprt/assert.h>
32
33
34	/** @defgroup grp_rt_fmt_hfs HFS - Hierarchical File System.
35	* @{
36	*/
37
38
39	/** @name HFS signature words (HFSPlusVolumeHeader::signature)
40	* @{ */
41	#define kHFSSigWord UINT16_C(0x4244)
42	#define kHFSPlusSigWord UINT16_C(0x482b)
43	#define kHFSXSigWord UINT16_C(0x4858)
44	/** @} */
45
46	/** @name HFS version numbers (HFSPlusVolumeHeader::version).
47	* @{ */
48	#define kHFSPlusVersion UINT16_C(4)
49	#define kHFSXVersion UINT16_C(5)
50	/** @} */
51
52	/** @name HFS mount version numbers (HFSPlusVolumeHeader::lastMountedVersion).
53	* @{ */
54	#define kHFSPlusMountVersion UINT32_C(0x31302e30)
55	#define kHFSJMountVersion UINT32_C(0x4846534a)
56	#define kFSKMountVersion UINT32_C(0x46534b21)
57	/** @} */
58
59	/** @name Hard link file creators & types.
60	* @{ */
61	#define kHardLinkFileType UINT32_C(0x686c6e6b)
62	#define kHFSPlusCreator UINT32_C(0x6866732b)
63	/** @} */
64
65	/** @name Symlink file creators & types.
66	* @{ */
67	#define kSymLinkFileType UINT32_C(0x736c6e6b)
68	#define kSymLinkCreator UINT32_C(0x72686170)
69	/** @} */
70
71	/** @name Name limits.
72	* @{ */
73	#define kHFSMaxVolumeNameChars UINT8_C(0x1b)
74	#define kHFSMaxFileNameChars UINT8_C(0x1f)
75	#define kHFSPlusMaxFileNameChars UINT8_C(0xff)
76	#define kHFSMaxAttrNameLen UINT8_C(0x7f)
77	/** @} */
78
79	/** @name Extent descriptor record densities
80	* @{ */
81	#define kHFSExtentDensity UINT8_C(3)
82	#define kHFSPlusExtentDensity UINT8_C(8)
83	/** @} */
84
85
86	/** @name File IDs (various fileID members).
87	* @{ */
88	#define kHFSRootParentID UINT32_C(0x00000001)
89	#define kHFSRootFolderID UINT32_C(0x00000002)
90	#define kHFSExtentsFileID UINT32_C(0x00000003)
91	#define kHFSCatalogFileID UINT32_C(0x00000004)
92	#define kHFSBadBlockFileID UINT32_C(0x00000005)
93	#define kHFSAllocationFileID UINT32_C(0x00000006)
94	#define kHFSStartupFileID UINT32_C(0x00000007)
95	#define kHFSAttributesFileID UINT32_C(0x00000008)
96	#define kHFSAttributeDataFileID UINT32_C(0x0000000c)
97	#define kHFSRepairCatalogFileID UINT32_C(0x0000000e)
98	#define kHFSBogusExtentFileID UINT32_C(0x0000000f)
99	#define kHFSFirstUserCatalogNodeID UINT32_C(0x00000010)
100	/** @} */
101
102	/** @name Catalog record types.
103	* @{ */
104	#define kHFSFolderRecord UINT16_C(0x0100)
105	#define kHFSFileRecord UINT16_C(0x0200)
106	#define kHFSFolderThreadRecord UINT16_C(0x0300)
107	#define kHFSFileThreadRecord UINT16_C(0x0400)
108	#define kHFSPlusFolderRecord UINT16_C(0x0001)
109	#define kHFSPlusFileRecord UINT16_C(0x0002)
110	#define kHFSPlusFolderThreadRecord UINT16_C(0x0003)
111	#define kHFSPlusFileThreadRecord UINT16_C(0x0004)
112	/** @} */
113
114	/** @name File record bits and masks.
115	* @{ */
116	#define kHFSFileLockedBit 0
117	#define kHFSThreadExistsBit 1
118	#define kHFSHasAttributesBit 2
119	#define kHFSHasSecurityBit 3
120	#define kHFSHasFolderCountBit 4
121	#define kHFSHasLinkChainBit 5
122	#define kHFSHasChildLinkBit 6
123	#define kHFSHasDateAddedBit 7
124
125	#define kHFSFileLockedMask RT_BIT(kHFSFileLockedBit)
126	#define kHFSThreadExistsMask RT_BIT(kHFSThreadExistsBit)
127	#define kHFSHasAttributesMask RT_BIT(kHFSHasAttributesBit)
128	#define kHFSHasSecurityMask RT_BIT(kHFSHasSecurityBit)
129	#define kHFSHasFolderCountMask RT_BIT(kHFSHasFolderCountBit)
130	#define kHFSHasLinkChainMask RT_BIT(kHFSHasLinkChainBit)
131	#define kHFSHasChildLinkMask RT_BIT(kHFSHasChildLinkBit)
132	#define kHFSHasDateAddedMask RT_BIT(kHFSHasDateAddedBit)
133	/** @} */
134
135	/** @name Key and node lengths.
136	* @{ */
137	#define kHFSPlusAttrKeyMaximumLength ( sizeof(HFSPlusAttrKey) - sizeof(uint16_t) )
138	#define kHFSPlusAttrKeyMinimumLength ( kHFSPlusAttrKeyMaximumLength - (kHFSMaxAttrNameLen * sizeof(uint16_t)) )
139	#define kHFSPlusExtentKeyMaximumLength ( sizeof(HFSPlusExtentKey) - sizeof(uint16_t),
140	#define kHFSExtentKeyMaximumLength ( sizeof(HFSExtentKey) - sizeof(uint8_t) )
141	#define kHFSPlusCatalogKeyMaximumLength ( sizeof(HFSPlusCatalogKey) - sizeof(uint16_t) )
142	#define kHFSPlusCatalogKeyMinimumLength ( kHFSPlusCatalogKeyMaximumLength - sizeof(HFSUniStr255) + sizeof(uint16_t) )
143	#define kHFSCatalogKeyMaximumLength ( sizeof(HFSCatalogKey) - sizeof(uint8_t) )
144	#define kHFSCatalogKeyMinimumLength ( kHFSCatalogKeyMaximumLength - kHFSMaxFileNameChars - 1 + sizeof(uint8_t) )
145	#define kHFSPlusCatalogMinNodeSize UINT16_C(0x1000)
146	#define kHFSPlusExtentMinNodeSize UINT16_C(0x0200)
147	#define kHFSPlusAttrMinNodeSize UINT16_C(0x1000)
148	/** @} */
149
150	/** @name Volume Attribute bits and masks.
151	* @remarks HFS has only 16-bit wide field, HFS+ has 32-bit.
152	* @{ */
153	#define kHFSVolumeHardwareLockBit 7
154	#define kHFSVolumeUnmountedBit 8
155	#define kHFSVolumeSparedBlocksBit 9
156	#define kHFSVolumeNoCacheRequiredBit 10
157	#define kHFSBootVolumeInconsistentBit 11
158	#define kHFSCatalogNodeIDsReusedBit 12
159	#define kHFSVolumeJournaledBit 13
160	#define kHFSVolumeInconsistentBit 14
161	#define kHFSVolumeSoftwareLockBit 15
162	#define kHFSUnusedNodeFixBit 31
163	#define kHFSContentProtectionBit 30
164
165	#define kHFSVolumeHardwareLockMask RT_BIT(kHFSVolumeHardwareLockBit)
166	#define kHFSVolumeUnmountedMask RT_BIT(kHFSVolumeUnmountedBit)
167	#define kHFSVolumeSparedBlocksMask RT_BIT(kHFSVolumeSparedBlocksBit)
168	#define kHFSVolumeNoCacheRequiredMask RT_BIT(kHFSVolumeNoCacheRequiredBit)
169	#define kHFSBootVolumeInconsistentMask RT_BIT(kHFSBootVolumeInconsistentBit)
170	#define kHFSCatalogNodeIDsReusedMask RT_BIT(kHFSCatalogNodeIDsReusedBit)
171	#define kHFSVolumeJournaledMask RT_BIT(kHFSVolumeJournaledBit)
172	#define kHFSVolumeInconsistentMask RT_BIT(kHFSVolumeInconsistentBit)
173	#define kHFSVolumeSoftwareLockMask RT_BIT(kHFSVolumeSoftwareLockBit)
174	#define kHFSUnusedNodeFixMask RT_BIT(kHFSUnusedNodeFixBit)
175	#define kHFSContentProtectionMask RT_BIT(kHFSContentProtectionBit)
176
177	#define kHFSMDBAttributesMask UINT16_C(0x8380)
178	/** @} */
179
180	/** @name Misc
181	* @{ */
182	#define kHFSUnusedNodesFixDate UINT32_C(0xc5ef2480)
183
184	#define HFSPLUSMETADATAFOLDER "\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80HFS+ Private Data"
185	#define HFSPLUS_DIR_METADATA_FOLDER ".HFS+ Private Directory Data\xd"
186	#define HFS_INODE_PREFIX "iNode"
187	#define HFS_DELETE_PREFIX "temp"
188	#define HFS_DIRINODE_PREFIX "dir_"
189	#define FIRST_LINK_XATTR_NAME "com.apple.system.hfs.firstlink"
190	#define FIRST_LINK_XATTR_REC_SIZE ( sizeof(HFSPlusAttrData) + 10 )
191
192	/* {b3e20f39-f292-11d6-97a4-00306543ecac} */
193	#define HFS_UUID_NAMESPACE_ID "\xB3\xE2\x0F\x39\xF2\x92\x11\xD6\x97\xA4\x00\x30\x65\x43\xEC\xAC"
194
195	#define SET_HFS_TEXT_ENCODING(a_uHint) (UINT32_C(0x656e6300) \| (uint8_t)(a_uHint))
196	#define GET_HFS_TEXT_ENCODING(a_uHint) ( ((a_uHint) & UINT32_C(0xffffff00)) == UINT32_C(0x656e6300) \
197	? UINT32_C(0x000000ff)(a_uHint) : UINT32_MAX)
198	/** @} */
199
200	/** @name B-tree stuff.
201	* @{ */
202	#define kMaxKeyLength 520
203
204	#define kBTLeafNode (-1)
205	#define kBTIndexNode 0
206	#define kBTHeaderNode 1
207	#define kBTMapNode 2
208
209	#define kBTBadCloseMask RT_BIT_32(0)
210	#define kBTBigKeysMask RT_BIT_32(1)
211	#define kBTVariableIndexKeysMask RT_BIT_32(2)
212
213	/** @} */
214
215	/** @name B-tree compare types (BTHeaderRec::keyCompareType) */
216	#define kHFSCaseFolding UINT8_C(0xcf)
217	#define kHFSBinaryCompare UINT8_C(0xbc)
218	/** @} */
219
220	/** @name Journal stuff.
221	* @{ */
222	#define JIB_RESERVED_SIZE ( sizeof(uint32_t) * 32 - 85 )
223
224	#define kJIJournalInFSMask RT_BIT_32(0)
225	#define kJIJournalOnOtherDeviceMask RT_BIT_32(1)
226	#define kJIJournalNeedInitMask RT_BIT_32(2)
227
228	#define EXTJNL_CONTENT_TYPE_UUID "4a6f7572-6e61-11aa-aa11-00306543ecac"
229	/** @} */
230
231
232
233	typedef struct HFSUniStr255
234	{
235	uint16_t length;
236	RTUTF16 unicode[255];
237	} HFSUniStr255;
238	AssertCompileSize(HFSUniStr255, 0x200);
239	typedef const HFSUniStr255 * ConstHFSUniStr255Param;
240
241	#pragma pack(1)
242	typedef struct HFSExtentKey
243	{
244	uint8_t keyLength;
245	uint8_t forkType;
246	uint32_t fileID; /*< Misaligned. /
247	uint16_t startBLock;
248	} HFSExtentKey;
249	#pragma pack()
250	AssertCompileSize(HFSExtentKey, 8);
251
252	typedef struct HFSPlusExtentKey
253	{
254	uint16_t keyLength;
255	uint8_t forkType;
256	uint8_t pad;
257	uint32_t fileID;
258	uint32_t startBlock;
259	} HFSPlusExtentKey;
260	AssertCompileSize(HFSPlusExtentKey, 12);
261
262	typedef struct HFSExtentDescriptor
263	{
264	uint16_t startBlock;
265	uint16_t blockCount;
266	} HFSExtentDescriptor;
267	AssertCompileSize(HFSExtentDescriptor, 4);
268
269	typedef struct HFSPlusExtentDescriptor
270	{
271	uint32_t startBlock;
272	uint32_t blockCount;
273	} HFSPlusExtentDescriptor;
274	AssertCompileSize(HFSPlusExtentDescriptor, 8);
275
276	typedef HFSExtentDescriptor HFSExtentRecord[3];
277	typedef HFSPlusExtentDescriptor HFSPlusExtentRecord[8];
278
279	typedef struct FndrFileInfo
280	{
281	uint32_t fdType;
282	uint32_t fdCreator;
283	uint16_t fdFlags;
284	struct
285	{
286	int16_t v;
287	int16_t h;
288	} fdLocation;
289	uint16_t opaque;
290	} FndrFileInfo;
291	AssertCompileSize(FndrFileInfo, 16);
292
293	typedef struct FndrDirInfo
294	{
295	struct
296	{
297	int16_t top;
298	int16_t left;
299	int16_t bottom;
300	int16_t right;
301	} frRect;
302	uint16_t frFlags;
303	struct
304	{
305	int16_t v;
306	int16_t h;
307	} fdLocation;
308	uint16_t opaque;
309	} FndrDirInfo;
310	AssertCompileSize(FndrDirInfo, 16);
311
312	typedef struct FndrOpaqueInfo
313	{
314	int8_t opaque[16];
315	} FndrOpaqueInfo;
316	AssertCompileSize(FndrOpaqueInfo, 16);
317
318	typedef struct FndrExtendedFileInfo
319	{
320	uint32_t reserved1;
321	uint32_t date_added;
322	uint16_t extended_flags;
323	uint16_t reserved2;
324	uint32_t reserved3;
325	} FndrExtendedFileInfo;
326	AssertCompileSize(FndrExtendedFileInfo, 16);
327
328	typedef struct FndrExtendedDirInfo
329	{
330	uint32_t point;
331	uint32_t date_added;
332	uint16_t extended_flags;
333	uint16_t reserved3;
334	uint32_t reserved4;
335	} FndrExtendedDirInfo;
336	AssertCompileSize(FndrExtendedDirInfo, 16);
337
338	typedef struct HFSPlusForkData
339	{
340	uint64_t logicalSize;
341	uint32_t clumpSize;
342	uint32_t totalBlocks;
343	HFSPlusExtentRecord extents;
344	} HFSPlusForkData;
345	AssertCompileSize(HFSPlusForkData, 80);
346
347	typedef struct HFSPlusBSDInfo
348	{
349	uint32_t ownerID;
350	uint32_t groupID;
351	uint8_t adminFlags;
352	uint8_t ownerFlags;
353	uint16_t fileMode;
354	union
355	{
356	uint32_t iNodeNum;
357	uint32_t linkCount;
358	uint32_t rawDevice;
359	} special;
360	} HFSPlusBSDInfo;
361	AssertCompileSize(HFSPlusBSDInfo, 16);
362
363	#pragma pack(1)
364	typedef struct HFSCatalogKey
365	{
366	uint8_t keyLength;
367	uint8_t reserved;
368	uint32_t parentID; /*< Misaligned. /
369	uint8_t nodeName[kHFSMaxFileNameChars + 1];
370	} HFSCatalogKey;
371	#pragma pack()
372	AssertCompileSize(HFSCatalogKey, 0x26);
373
374	#pragma pack(1)
375	typedef struct HFSPlusCatalogKey
376	{
377	uint16_t keyLength;
378	uint32_t parentID; /*< Misaligned. /
379	HFSUniStr255 nodeName;
380	} HFSPlusCatalogKey;
381	#pragma pack()
382	AssertCompileSize(HFSPlusCatalogKey, 0x206);
383
384	#pragma pack(1)
385	typedef struct HFSCatalogFolder
386	{
387	int16_t recordType;
388	uint16_t flags;
389	uint16_t valence;
390	uint32_t folderID; /*< Misaligned. /
391	uint32_t createDate; /*< Misaligned. /
392	uint32_t modifyDate; /*< Misaligned. /
393	uint32_t backupDate; /*< Misaligned. /
394	FndrDirInfo userInfo;
395	FndrOpaqueInfo finderInfo;
396	uint32_t reserved[4]; /*< Misaligned. /
397	} HFSCatalogFolder;
398	#pragma pack()
399	AssertCompileSize(HFSCatalogFolder, 70);
400
401	typedef struct HFSPlusCatalogFolder
402	{
403	int16_t recordType;
404	uint16_t flags;
405	uint32_t valence;
406	uint32_t folderID;
407	uint32_t createDate;
408	uint32_t contentModDate;
409	uint32_t attributeModDate;
410	uint32_t accessDate;
411	uint32_t backupDate;
412	HFSPlusBSDInfo bsdInfo;
413	FndrDirInfo userInfo;
414	FndrOpaqueInfo finderInfo;
415	uint32_t textEncoding;
416	uint32_t folderCount;
417	} HFSPlusCatalogFolder;
418	AssertCompileSize(HFSPlusCatalogFolder, 88);
419
420	#pragma pack(1)
421	typedef struct HFSCatalogFile
422	{
423	int16_t recordType;
424	uint8_t flags;
425	uint8_t fileType;
426	FndrFileInfo userInfo;
427	uint32_t fileID;
428	uint16_t dataStartBlock;
429	int32_t dataLogicalSize; /*< Misaligned. /
430	int32_t dataPhysicalSize; /*< Misaligned. /
431	uint16_t rsrcStartBlock;
432	int32_t rsrcLogicalSize;
433	int32_t rsrcPhysicalSize;
434	uint32_t createDate;
435	uint32_t modifyDate;
436	uint32_t backupDate;
437	FndrOpaqueInfo finderInfo;
438	uint16_t clumpSize;
439	HFSExtentRecord dataExtents; /*< Misaligned. /
440	HFSExtentRecord rsrcExtents; /*< Misaligned. /
441	uint32_t reserved; /*< Misaligned. /
442	} HFSCatalogFile;
443	#pragma pack()
444	AssertCompileSize(HFSCatalogFile, 102);
445
446	#pragma pack(1)
447	typedef struct HFSPlusCatalogFile
448	{
449	int16_t recordType;
450	uint16_t flags;
451	uint32_t reserved1;
452	uint32_t fileID;
453	uint32_t createDate;
454	uint32_t contentModDate;
455	uint32_t attributeModDate;
456	uint32_t accessDate;
457	uint32_t backupDate;
458	HFSPlusBSDInfo bsdInfo;
459	FndrFileInfo userInfo;
460	FndrOpaqueInfo finderInfo;
461	uint32_t textEncoding;
462	uint32_t reserved2;
463	HFSPlusForkData dataFork;
464	HFSPlusForkData resourceFork;
465	} HFSPlusCatalogFile;
466	#pragma pack()
467	AssertCompileMemberAlignment(HFSPlusCatalogFile, dataFork, 8);
468	AssertCompileSize(HFSPlusCatalogFile, 248);
469
470	#pragma pack(1)
471	typedef struct HFSCatalogThread
472	{
473	int16_t recordType;
474	int32_t reserved[2];
475	uint32_t parentID;
476	uint8_t nodeName[kHFSMaxFileNameChars + 1];
477	} HFSCatalogThread;
478	#pragma pack()
479	AssertCompileSize(HFSCatalogThread, 46);
480
481	typedef struct HFSPlusCatalogThread
482	{
483	int16_t recordType;
484	int16_t reserved;
485	uint32_t parentID;
486	HFSUniStr255 nodeName;
487	} HFSPlusCatalogThread;
488	AssertCompileSize(HFSPlusCatalogThread, 0x208);
489
490	typedef struct HFSPlusAttrForkData
491	{
492	uint32_t recordType;
493	uint32_t reserved;
494	HFSPlusForkData theFork;
495	} HFSPlusAttrForkData;
496	AssertCompileSize(HFSPlusAttrForkData, 88);
497
498	typedef struct HFSPlusAttrExtents
499	{
500	uint32_t recordType;
501	uint32_t reserved;
502	HFSPlusExtentRecord extents;
503	} HFSPlusAttrExtents;
504	AssertCompileSize(HFSPlusAttrExtents, 72);
505
506	#pragma pack(1)
507	typedef struct HFSPlusAttrData
508	{
509	uint32_t recordType;
510	uint32_t reserved[2];
511	uint32_t attrSize;
512	uint8_t attrData[2]; /*< Causes misaligned struct size. /
513	} HFSPlusAttrData;
514	#pragma pack()
515	AssertCompileSize(HFSPlusAttrData, 18);
516
517	#pragma pack(1)
518	typedef struct HFSPlusAttrInlineData
519	{
520	uint32_t recordType;
521	uint32_t reserved;
522	uint32_t logicalSize;
523	uint8_t userData[2]; /*< Causes misaligned struct size. /
524	} HFSPlusAttrInlineData;
525	#pragma pack()
526	AssertCompileSize(HFSPlusAttrInlineData, 14);
527
528	typedef union HFSPlusAttrRecord
529	{
530	uint32_t recordType;
531	HFSPlusAttrInlineData inlineData;
532	HFSPlusAttrData attrData;
533	HFSPlusAttrForkData forkData;
534	HFSPlusAttrExtents overflowExtents;
535	} HFSPlusAttrRecord;
536	AssertCompileSize(HFSPlusAttrRecord, 88);
537
538	typedef struct HFSPlusAttrKey
539	{
540	uint16_t keyLength;
541	uint16_t pad;
542	uint32_t fileID;
543	uint32_t startBlock;
544	uint16_t attrNameLen;
545	RTUTF16 attrName[kHFSMaxAttrNameLen];
546	} HFSPlusAttrKey;
547	AssertCompileSize(HFSPlusAttrKey, 268);
548
549	#pragma pack(1)
550	typedef struct HFSMasterDirectoryBlock
551	{
552	uint16_t drSigWord;
553	uint32_t drCrDate; /*< Misaligned. /
554	uint32_t drLsMod; /*< Misaligned. /
555	uint16_t drAtrb;
556	uint16_t drNmFls;
557	uint16_t drVBMSt;
558	uint16_t drAllocPtr;
559	uint16_t drNmAlBlks;
560	uint32_t drAlBlkSiz;
561	uint32_t drClpSiz;
562	uint16_t drAlBlSt;
563	uint32_t drNxCNID; /*< Misaligned. /
564	uint16_t drFreeBks;
565	uint8_t drVN[kHFSMaxVolumeNameChars + 1];
566	uint32_t drVolBkUp;
567	uint16_t drVSeqNum;
568	uint32_t drWrCnt; /*< Misaligned. /
569	uint32_t drXTClpSiz; /*< Misaligned. /
570	uint32_t drCTClpSiz; /*< Misaligned. /
571	uint16_t drNmRtDirs;
572	uint32_t drFilCnt;
573	uint32_t drDirCnt;
574	uint32_t drFndrInfo[8];
575	uint16_t drEmbedSigWord;
576	HFSExtentDescriptor drEmbedExtent;
577	uint32_t drXTFlSize; /*< Misaligned. /
578	HFSExtentRecord drXTExtRec;
579	uint32_t drCTFlSize; /*< Misaligned. /
580	HFSExtentRecord drCTExtRec;
581	} HFSMasterDirectoryBlock;
582	#pragma pack()
583	AssertCompileSize(HFSMasterDirectoryBlock, 162);
584
585	typedef struct HFSPlusVolumeHeader
586	{
587	uint16_t signature;
588	uint16_t version;
589	uint32_t attributes;
590	uint32_t lastMountedVersion;
591	uint32_t journalInfoBlock;
592	uint32_t createDate;
593	uint32_t modifyDate;
594	uint32_t backupDate;
595	uint32_t checkedDate;
596	uint32_t fileCount;
597	uint32_t folderCount;
598	uint32_t blockSize;
599	uint32_t totalBlocks;
600	uint32_t freeBlocks;
601	uint32_t nextAllocation;
602	uint32_t rsrcClumpSize;
603	uint32_t dataClumpSize;
604	uint32_t nextCatalogID;
605	uint32_t writeCount;
606	uint64_t encodingsBitmap;
607	uint8_t finderInfo[32];
608	HFSPlusForkData allocationFile;
609	HFSPlusForkData extentsFile;
610	HFSPlusForkData catalogFile;
611	HFSPlusForkData attributesFile;
612	HFSPlusForkData startupFile;
613	} HFSPlusVolumeHeader;
614	AssertCompileMemberAlignment(HFSPlusVolumeHeader, nextCatalogID, 8);
615	AssertCompileSize(HFSPlusVolumeHeader, 512);
616
617	typedef union BTreeKey
618	{
619	uint8_t length8;
620	uint16_t length16;
621	uint8_t rawData[kMaxKeyLength + 2];
622	} BTreeKey;
623	AssertCompileSize(BTreeKey, 522);
624
625	#pragma pack(1)
626	typedef struct BTNodeDescriptor
627	{
628	uint32_t fLink;
629	uint32_t bLink;
630	int8_t kind;
631	uint8_t height;
632	uint16_t numRecords;
633	uint16_t reserved; /*< Causes struct size misalignment. /
634	} BTNodeDescriptor;
635	#pragma pack()
636	AssertCompileSize(BTNodeDescriptor, 14);
637
638	#pragma pack(1)
639	typedef struct BTHeaderRec
640	{
641	uint16_t treeDepth;
642	uint32_t rootNode; /*< Misaligned. /
643	uint32_t leafRecords; /*< Misaligned. /
644	uint32_t firstLeafNode; /*< Misaligned. /
645	uint32_t lastLeafNode; /*< Misaligned. /
646	uint16_t nodeSize;
647	uint16_t maxKeyLength;
648	uint32_t totalNodes; /*< Misaligned. /
649	uint32_t freeNodes; /*< Misaligned. /
650	uint16_t reserved1;
651	uint32_t clumpSize;
652	uint8_t btreeType;
653	uint8_t keyCompareType;
654	uint32_t attributes; /*< Misaligned. /
655	uint32_t reserved3[16]; /*< Misaligned. /
656	} BTHeaderRec;
657	#pragma pack()
658	AssertCompileSize(BTHeaderRec, 106);
659
660	#pragma pack(1)
661	typedef struct JournalInfoBlock
662	{
663	uint32_t flags;
664	uint32_t devices_signature[8];
665	uint64_t offset; /*< Misaligned (morons). /
666	uint64_t size; /*< Misaligned. /
667	char ext_jnl_uuid[37];
668	char machine_serial_num[48];
669	char reserved[JIB_RESERVED_SIZE];
670	} JournalInfoBlock;
671	#pragma pack()
672	AssertCompileSize(JournalInfoBlock, 180);
673
674	/** @} */
675
676	#endif
677

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source: vbox/trunk/include/iprt/formats/hfs.h@ 53399

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